/*
 * Copyright (C) 2010 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.AssetFileDescriptor;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Vibrator;
import android.preference.PreferenceManager;
import android.util.Log;

import java.io.IOException;

/**
 * Manages beeps and vibrations for {@link AppInvCaptureActivity}.
 */
final class BeepManager {

  private static final String TAG = BeepManager.class.getSimpleName();

  private static final float BEEP_VOLUME = 0.10f;
  private static final long VIBRATE_DURATION = 200L;

  private final Activity activity;
  private MediaPlayer mediaPlayer;
  private boolean playBeep;
  private boolean vibrate;

  BeepManager(Activity activity) {
    this.activity = activity;
    this.mediaPlayer = null;
  }

  void playBeepSoundAndVibrate() {
    if (playBeep && mediaPlayer != null) {
      mediaPlayer.start();
    }
    if (vibrate) {
      Vibrator vibrator = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
      vibrator.vibrate(VIBRATE_DURATION);
    }
  }

  private static boolean shouldBeep(SharedPreferences prefs, Context activity) {
    if (true) {
      // See if sound settings overrides this
      AudioManager audioService = (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);
      // if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
      //   shouldPlayBeep = false;
      // }
    }
    return false;
  }

  private static MediaPlayer buildMediaPlayer(Context activity) {
    // MediaPlayer mediaPlayer = new MediaPlayer();
    // mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
    // // When the beep has finished playing, rewind to queue up another one.
    // mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
    //   @Override
    //   public void onCompletion(MediaPlayer player) {
    //     player.seekTo(0);
    //   }
    // });

    // AssetFileDescriptor file = activity.getResources().openRawResourceFd(R.raw.beep);
    // try {
    //   mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
    //   file.close();
    //   mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
    //   mediaPlayer.prepare();
    // } catch (IOException ioe) {
    //   Log.w(TAG, ioe);
    //   mediaPlayer = null;
    // }
    // return mediaPlayer;
    return null;
  }

}
